What does the passage mainly discuss?
A.Observations that suggest consciousness in animal behavior.
B.The use of food in studies of animal behavior.
C.The role of instinct in animal behavior.
D.Differences between the behavior of animals in their natural environments and in laboratory experiments.

What is the purpose of the honeybee at a site?
A.To determine the quality of food at a site
B.To increase the speed of travel to food sources
C.To identify the type of nectar that is available
D.To communicate the location of food

Why are otters and mussel shells included in the discussion in paragraph 3?
A.To provide that certain species demonstrate greater ability in tool use than other species.
B.To provide an example of tool use among animals.
C.To show that animals are very good at using objects in their habitat.
D.To provide an example of the use of weapons among animals.

The word “rudimentary” in meaning to ___________.
A.technical
B.basic
C.superior
D.original

Scientists concluded from the experiment with chimpanzees and chocolate chips that chimpanzees __________.
A.prefer to work in pairs or group
B.have difficulty selecting when given choices
C.lack abilities that other primates have
D.exhibit behavior that indicates certain mathematical abilities

A.endangered
B.humidity
C.necessary
D.incredible

A.biology
B.accordance
C.incomplete
D.pudicity

Would you like to have a drink with me tonight, John?
A.Would
B.a
C.tonight
D.John

A.question
B.presentation
C.industrialization
D.modernization

I'm sure that you can recognize her at the station; she________a red raincoat.
A.will be wearing
B.will have been wearing
C.is going to wear
D.will have worn